If angle bisector of a triangle bisects the opposite side, then what type of triangle is it?

If the perimeter of a rhombus is 80 cm and one of its diagonals is 24 cm, then what is the are (in cm²) of the rhombus?

Find the value of ∠OBE=?

The exterior angle of a regular polygon is one-third of its interior angle, the number of sides of the polygon is -

The length of a chord which is at a distance of 12 cm from the center of a circle of radius 13 cm is 

The length of the common chord of two circles of radii 30 cm and 40 cm whose centers are 50 cm apart is (in cm) 

ABCD is cyclic quadrilateral Sides AB and DC, when produced, meet at E, and sides BC and AD, When produced, meet at F. If ∠BFA=60° and ∠AED=30°, then the measure of ∠ABC is:

The difference between the circumferences of two circles is 110 cm and the radius of the smaller circle is 14 cm. what is the radius of the larger circle?